Much has been made of Joe Biden’s instantly reversed call for regime change in Moscow. Speaking in Warsaw, the president said of Vladimir Putin, “For God’s sake, this man cannot remain in power.” The words sent his staffers scrambling to cleanup on Aisle Three and prompted European leaders to firmly distance themselves from Washington. ... Yet as hair-raising as Biden’s Warsaw declaration was, it could be charitably—okay, extra-charitably—interpreted as a mere gaffe. Indeed, the administration’s line is that Biden was referring to Putin exercising power over Russia’s neighbors, not Russia itself. Or something. Like I said, it’s a stretch, ......